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Diffstat (limited to 'extras/mini-os/blkfront.c')
| -rw-r--r-- | extras/mini-os/blkfront.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/extras/mini-os/blkfront.c b/extras/mini-os/blkfront.c index b83d5af345..1021bb018f 100644 --- a/extras/mini-os/blkfront.c +++ b/extras/mini-os/blkfront.c @@ -327,6 +327,11 @@ int blkfront_aio_poll(struct blkfront_dev *dev) struct blkif_response *rsp; moretodo: +#ifdef HAVE_LIBC + files[dev->fd].read = 0; + mb(); /* Make sure to let the handler set read to 1 before we start looking at the ring */ +#endif + rp = dev->ring.sring->rsp_prod; rmb(); /* Ensure we see queued responses up to 'rp'. */ cons = dev->ring.rsp_cons; |